<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="doLogin" method="post">
    <p>用户名：<input type="text" name="username" placeholder="请输入用户名"/></p>
    <p>密码：<input type="text" name="password" placeholder="请输入密码"/></p>
    <p><input type="submit" value="登录" /></p>
</form>
</body>
</html>